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A method and system of bandwidth-aware service placement for service chaining

A service chain and bandwidth technology, applied in the field of networking, can solve suboptimal problems

Active Publication Date: 2016-01-06
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In a network that connects services to the network, these mechanisms provide only suboptimal performance

Method used

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  • A method and system of bandwidth-aware service placement for service chaining
  • A method and system of bandwidth-aware service placement for service chaining
  • A method and system of bandwidth-aware service placement for service chaining

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Embodiment Construction

[0018] In the following description, numerous specific details are set forth. However, it is understood that embodiments of the invention may be practiced without these specific details. In other instances, well-known circuits, structures and techniques have not been shown in detail in order not to obscure the understanding of this description. However, it will be understood by those skilled in the art that the present invention may be practiced without such specific details. One of ordinary skill in the art, using the included description, will be able to implement the appropriate function without experimentation.

[0019] References in the specification to "one embodiment," "an embodiment," "example embodiment," etc. indicate that the described embodiments may include a particular feature, structure, or characteristic, but that each embodiment may not necessarily include A particular feature, structure, or characteristic. Furthermore, such phrases are not necessarily refe...

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Abstract

A method implemented in a network for placing services at network devices is disclosed. The network contains a plurality of network devices and offers a set of services to subscribers. Subsets of the set of services are included in ordered service chains for subscribers. The method starts with determining a list of bandwidth consumption entities of a service for each service within the set of services, where each bandwidth consumption entity is based on one or more chains of services. Then a weight of each service is calculated based on the list of bandwidth consumption entities of the service and a service with a highest weight within the group of one or more services that have not been placed is selected. The selected service is then placed at a network device based at least partially on calculating bandwidth impacts to the network by the service.

Description

technical field [0001] Embodiments of the invention relate to the field of networking. More specifically, embodiments of the invention relate to methods and systems for bandwidth-aware service placement for service chains in a network. Background technique [0002] Operators use different middlebox services or applications, called inline services, such as Deep Packet Inspection (DPI), Logging / Metering / Billing / Prepaid, Firewall (FW), Virus Scanning (VS), Intrusion Detection Detection and Defense (IDP), Network Address Translation (NAT), etc. to manage subscriber traffic. These services have high requirements on throughput and packet inspection capabilities. They can be transparent or non-transparent to the end user. Inline services can be hosted on dedicated physical hardware, or in virtual machines. [0003] Service chaining is required if the business needs to pass through more than one inline service. Furthermore, if more than one service chain is possible, the operat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24
CPCH04L41/12H04L41/5041H04L41/40H04L47/10H04L47/2408H04L43/0882H04L41/0896
Inventor 张颖N.贝赫什蒂-扎瓦雷
Owner TELEFON AB LM ERICSSON (PUBL)
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